A joint #PhD with IIT Ropar and IIT Mandi on Mechanical characterization of discontinuities in material's microstructure

#Apply for a joint #PhD with IIT Ropar and IIT Mandi on "Mechanical characterization of discontinuities in material's microstructure "
The brief description is given below.
Last date is 18th June 2023. Clock is ticking (Apply Now)

Description
#Grain #boundaries play a crucial role in the #fracture behavior of materials. These boundaries can act as sites for the initiation and propagation of cracks, and therefore play a significant role in the fracture behavior of materials. In particular, the presence of impurities or defects at grain boundaries can significantly affect the material's fracture resistance. However, another important aspect of the GBs are that these regions deform differently in comparison to the material inside the boundaries and therefore influence the crack driving forces. A #confirgurational force approach can calculate the effect of such influences and the same can be applied in presence of a complicated gradually changing inhomogeneities such as a heat affected zone, weld zone etc. Interfaces in welds and #heat-affected zones (HAZ) play an important role in determining the mechanical properties of the joint. The interfaces between different materials or between different regions of the same material can create areas of stress concentration, which can lead to the initiation and propagation of cracks. Furthermore, the presence of residual stresses and microstructural changes in the HAZ can also affect the mechanical properties of the joint. Therefore, the proper design and characterization of welds and #HAZ interfaces is critical to ensure the reliability and safety of welded structures.